MongoAlchemy is a layer on top of the Python MongoDB driver which adds client-side schema definitions, an easier to work with and programmatic query language, and a Document-Object mapper which allows python objects to be saved and loaded into the database in a type-safe way.
Questions tagged [mongoalchemy]
46 questions
0
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0 answers
How to shorten MongoDB ObjectId and use it on Flask Blueprint URL
I am looking for a way to shorten the ObjectID generated by the MongoDB and use it on Flask Blueprint.
I has googling and got this tutorial for shorten ObjectID using base64 http://flask.pocoo.org/snippets/106/
But, base64 is too long for me. So, i…
adierebel
- 11
- 2
0
votes
1 answer
Update Existing Document : Mongo Alchemy
I need some help with MongoAlchemy. I'm trying to create a web application with python, flask, Mongo DM and Mongo Alchemy (as an object document mapper) and I'm struggling with updating existing documents.
My problem is that I cannot update an…
alpha93
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- 3
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list array of objects using python flask
i have a payload as shown below which is stored in mongodb
{
"_id" : ObjectId("5865fbf5558b670ac091c81e"),
"sensors" : [
{
"sensorStatus" : "green ",
"sensorName" : "s1"
},
{
…
dhana lakshmi
- 847
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- 12
- 29
0
votes
0 answers
post request for lis of items using python flask
I am trying to do post request for below schema using flask-mongoAlchemy
class Sensors(db.Document):
sensorName = db.StringField()
sensorStatus = db.StringField()
class Camera(db.Document):
cameraName = db.StringField()
…
dhana lakshmi
- 847
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- 12
- 29
0
votes
1 answer
MongoAlchemy: One of two different DocumentField's
Using MongoAlchemy, is it possible to have a DocumentField that can be one of two types? E.g:
class A(Document):
foo = StringField()
class B(Document):
bar = StringField()
class C(Document):
child = DocumentField(A or B)
I thought of…
Jon G
- 1,656
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0
votes
1 answer
MongoAlchemy regex return nothing
I'm testing MongoAlchemy for a project and I've to search user by name.
I'm trying to make a regex but query result is always empty.
I tried two methods :
import re
users = User.query.filter({"name":re.compile("/a/", re.IGNORECASE)}).all()
And :…
amiceli
- 437
- 5
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0
votes
1 answer
How to make a request for records where the value of the two fields match in mongoalchemy?
I have a model for mongoalchemy:
class ImportProductReport(mongo.Document):
target = mongo.IntField(default=0)
processed = mongo.IntField(default=0)
is_in_process_remove_offers = mongo.BoolField(default=False)
is_old_offers_removed =…
Vasiliy
- 1
- 1
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votes
1 answer
Why use MongoAlchemy when you could subclass a Python Dict?
A friend recently showed me that you can create an instance that is a subclass of dict in Python, and then use that instance to save, update, etc. Seems like you have more control, and it looks easier as well.
class Marker(dict):
def…
rjr862
- 51
- 5
0
votes
1 answer
Flask MongoAlchemy with multi hosts urls
I am new on MongoAlchemy. Currently i have pymongo which i only need use 1 URL to connect to mongolabs server
mongodb://myusername:secretpassword@ds045801-a1.mongolab.com:45801,ds045808-a0.mongolab.com:45808/mydatabase_name
While MongoAlchemy use…
Granit
- 188
- 1
- 11
0
votes
1 answer
MongoAlchemy ObjectIdField resolution
If I have a Model that contains an ObjectIdField to another model, I would normally (django) use a property to create a getter and the reference would be transparent in usage. Like so:
class Image(db.Document):
name_full =…
Scott
- 3,204
- 3
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- 41
0
votes
1 answer
Mongo alchemy select statements
I am using mongoalchemy for the first time and it is proving a great tool. When I try to select objects from my database I cant get the value of those objects. This is my code as below (I am using it with flask):
class Password(db.Document):
…
Adnan
- 113
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- 4
0
votes
1 answer
Validating for uniqueness in MongoAlchemy?
I am trying to ensure name uniqueness in a MongoAlchemy-backed model, and am uncertain how to go about it.
My first attempt involved writing a wrap validator which checked for existing database entries with the same name and checked against them (to…
kronosapiens
- 1,333
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0
votes
2 answers
Store a mongo_id on a MongoAlchemy Document?
Is it possible to store a mongo_id as an ObjectId object in a MongoAlchemy field? I've been able to store an ObjectId inside of a document I defined manually, but it seems as though I'm restricted to storing the string value of the id in the context…
kronosapiens
- 1,333
- 1
- 10
- 19
0
votes
1 answer
MongoAlchemy query embedded documents
I want to know how to use MongoAlchemy about embeded docment operation.
But I havn't find any documents about these.
Can anyone give me some helps?
Here is demo code:
#!/usr/bin/python
# -*- coding: utf-8 -*-
from flask import Flask
from…
user2089487
- 43
- 4
0
votes
1 answer
Settings TTL in MongoAlchemy's Index
Can I somehow specify expireAfterSeconds for collection's index in MongoAlchemy or I need to make hack like this:
class TtlIndex(Index):
def expires(self, seconds):
self.expireAfterSeconds = seconds
def ensure(self, collection):
…
Marboni
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